一个初级问题,,在线等
Option Strict On
Imports System.Data.OracleClient
Public Class WebForm1
Inherits System.Web.UI.Page
public m_strId as string
Private Sub Page_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
'在此处放置初始化页的用户代码
If Not Page.IsPostBack Then m_strId = "123"
End Sub
Private Sub btnAdd_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnAdd.Click
End Sub
End Class
问题:
当我按了按钮btnAdd后,,又执行了PAGE_LOAD事件,并且这时m_strId变量
值没有了,变成NOTHING了?
问题1:为什么我按了按钮后,又执行PAGE_LAOD事件呢?
问题2:为什么PAGE_LOAD事件又执行后,m_strId值没有了呢?